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[XFRM] IPV6: Support Mobile IPv6 extension headers sorting.

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Support Mobile IPv6 extension headers sorting for two transformation policies.
Mobile IPv6 extension headers should be placed after IPsec
transport mode, but before transport AH when outbound.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahide NAKAMURA 2006-08-23 22:54:07 -07:00 committed by David S. Miller
parent 58c949d1b9
commit 64d9fdda8e
1 changed files with 26 additions and 2 deletions
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28
net/ipv6/xfrm6_state.c
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@ -173,7 +173,19 @@ __xfrm6_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n)
if (j == n)
goto end;
/* XXX: Rule 2: select MIPv6 RO or inbound trigger */
/* Rule 2: select MIPv6 RO or inbound trigger */
#ifdef CONFIG_IPV6_MIP6
for (i = 0; i < n; i++) {
if (src[i] &&
(src[i]->props.mode == XFRM_MODE_ROUTEOPTIMIZATION ||
src[i]->props.mode == XFRM_MODE_IN_TRIGGER)) {
dst[j++] = src[i];
src[i] = NULL;
}
}
if (j == n)
goto end;
#endif
/* Rule 3: select IPsec transport AH */
for (i = 0; i < n; i++) {
@ -226,7 +238,19 @@ __xfrm6_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n)
if (j == n)
goto end;
/* XXX: Rule 2: select MIPv6 RO or inbound trigger */
/* Rule 2: select MIPv6 RO or inbound trigger */
#ifdef CONFIG_IPV6_MIP6
for (i = 0; i < n; i++) {
if (src[i] &&
(src[i]->mode == XFRM_MODE_ROUTEOPTIMIZATION ||
src[i]->mode == XFRM_MODE_IN_TRIGGER)) {
dst[j++] = src[i];
src[i] = NULL;
}
}
if (j == n)
goto end;
#endif
/* Rule 3: select IPsec tunnel */
for (i = 0; i < n; i++) {